p71924506
/
kernel_liteos_a
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

!128 修正LOS_CurrNanosec时间计算精度问题 

Merge pull request !128 from Caoruihong/master
This commit is contained in:
openharmony_ci 2021-04-08 08:42:48 +08:00 committed by Gitee
parent 31b387fdf1 c2e7879dbc
commit a27be4a334
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/arm/arm/src/los_hw_tick.c
View File

@ -65,10 +65,8 @@ LITE_OS_SEC_TEXT_MINOR VOID LOS_GetCpuCycle(UINT32 *highCnt, UINT32 *lowCnt)
LITE_OS_SEC_TEXT_MINOR UINT64 LOS_CurrNanosec(VOID)
{
DOUBLE nanos;
nanos = (DOUBLE)HalClockGetCycles() * OS_SYS_NS_PER_SECOND / g_sysClock;
return (UINT64)nanos;
UINT64 cycle = HalClockGetCycles();
return (cycle / g_sysClock) * OS_SYS_NS_PER_SECOND + (cycle % g_sysClock) * OS_SYS_NS_PER_SECOND / g_sysClock;
}
LITE_OS_SEC_TEXT_MINOR VOID LOS_Udelay(UINT32 usecs)